{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letermovir&page=2",
    "query": {
      "intervention": "Letermovir",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letermovir&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T10:54:26.714Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT06407232",
      "title": "Letermovir (Prevymis) for CMV in Kidney and Pancreas Transplant Recipients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cytomegalovirus Infections",
        "Kidney Transplant Infection",
        "Pancreas Transplant"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2024-08-08",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06407232"
    },
    {
      "nct_id": "NCT07020533",
      "title": "A Vaccine (CMV-MVA Triplex Vaccine) for the Enhancement of CMV-Specific Immunity and the Prevention of CMV Viremia in Patients Undergoing Haploidentical Hematopoietic Stem Cell Transplant",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Accelerated Phase Chronic Myeloid Leukemia, BCR-ABL1 Positive",
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Chronic Lymphocytic Leukemia",
        "Chronic Phase Chronic Myeloid Leukemia, BCR-ABL1 Positive",
        "Hematopoietic and Lymphatic System Neoplasm",
        "Hodgkin Lymphoma",
        "Lymphoblastic Lymphoma",
        "Myelodysplastic Syndrome",
        "Myelofibrosis",
        "Myeloproliferative Neoplasm",
        "Non-Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Haploidentical Hematopoietic Cell Transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "Multi-peptide CMV-Modified Vaccinia Ankara Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Myeloablative Conditioning",
          "type": "PROCEDURE"
        },
        {
          "name": "Pheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Recombinant Granulocyte Colony-Stimulating Factor",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 46,
      "start_date": "2026-05-08",
      "completion_date": "2029-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Atlanta, Georgia • Boston, Massachusetts",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07020533"
    },
    {
      "nct_id": "NCT05626530",
      "title": "Letermovir for Secondary Prophylaxis in Solid Organ Transplant Recipients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cytomegalovirus Infections",
        "Infection in Solid Organ Transplant Recipients",
        "Neutropenia",
        "Antiviral Toxicity"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-02-02",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05626530"
    },
    {
      "nct_id": "NCT04312841",
      "title": "Letermovir for the Prevention of Cytomegalovirus Reactivation in Patients With Hematological Malignancies Treated With Alemtuzumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "B-Cell Prolymphocytic Leukemia",
        "Chronic Lymphocytic Leukemia",
        "Peripheral T-Cell Lymphoma",
        "Primary Cutaneous T-Cell Non-Hodgkin Lymphoma",
        "Sezary Syndrome",
        "T-Cell Prolymphocytic Leukemia"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2020-09-15",
      "completion_date": "2024-04-09",
      "has_results": true,
      "last_update_posted_date": "2025-02-28",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04312841"
    },
    {
      "nct_id": "NCT05711667",
      "title": "A Study of the Drug Letermovir as Prevention of Cytomegalovirus Infection After Stem Cell Transplant in Pediatric Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 105,
      "start_date": "2024-07-11",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • Oakland, California • San Francisco, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05711667"
    },
    {
      "nct_id": "NCT03443869",
      "title": "Letermovir Versus Valganciclovir to Prevent Human Cytomegalovirus Disease in Kidney Transplant Recipients (MK-8228-002)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "CMV Disease"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "Valganciclovir",
          "type": "DRUG"
        },
        {
          "name": "Acyclovir (ACV)",
          "type": "DRUG"
        },
        {
          "name": "Placebo to ACV",
          "type": "DRUG"
        },
        {
          "name": "Placebo to LET",
          "type": "DRUG"
        },
        {
          "name": "Placebo to VGCV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 601,
      "start_date": "2018-05-03",
      "completion_date": "2022-04-05",
      "has_results": true,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Sacramento, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03443869"
    },
    {
      "nct_id": "NCT03930615",
      "title": "Extension of Letermovir (LET) From Day 100 to Day 200 Post-transplant for the Prevention of Cytomegalovirus (CMV) Infection in Hematopoietic Stem Cell Transplant (HSCT) Participants (MK-8228-040)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cytomegalovirus Infection"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2019-06-21",
      "completion_date": "2022-03-16",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 10,
      "location_summary": "Duarte, California • Sacramento, California • Miami, Florida + 7 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930615"
    },
    {
      "nct_id": "NCT03940586",
      "title": "Letermovir Treatment in Pediatric Participants Following Allogeneic Haematopoietic Stem Cell Transplantation (HSCT) (MK-8228-030)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cytomegalovirus (CMV) Infection"
      ],
      "interventions": [
        {
          "name": "Letermovir oral granules",
          "type": "DRUG"
        },
        {
          "name": "Letermovir tablet",
          "type": "DRUG"
        },
        {
          "name": "Letermovir intravenous",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 65,
      "start_date": "2019-08-08",
      "completion_date": "2023-08-25",
      "has_results": true,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 11,
      "location_summary": "Duarte, California • Orange, California • San Francisco, California + 8 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03940586"
    },
    {
      "nct_id": "NCT06453460",
      "title": "CMV-TCIP Directed Letermovir Prophylaxis After Allo-SCT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "CMV",
        "Allogeneic Stem Cell Transplantation"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        },
        {
          "name": "CMV T Cell Immunity Panel (CMV-TCIP)",
          "type": "DEVICE"
        },
        {
          "name": "CMV DNA PCR",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-06-27",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06453460"
    },
    {
      "nct_id": "NCT04904614",
      "title": "Letermovir Use in Heart Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cytomegalovirus Disease",
        "Cytomegalovirus Infections",
        "Heart Transplant Infection",
        "Antiviral Toxicity",
        "Neutropenia"
      ],
      "interventions": [
        {
          "name": "Letermovir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-01-05",
      "completion_date": "2025-01-14",
      "has_results": true,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-09-25T10:54:26.714Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04904614"
    }
  ]
}